Critical Care Visitors vs On
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Critical Care Visitors
This app offers guidance and information for visitors to critical care units at Nottingham University Hospitals. It provides details on procedures, visiting times, facilities, and technical terms in an easy-to-navigate format.
- Color-coded information pages
- Collapsible sections
- Explanations of procedures and terms
- Visiting times and facilities details
- Offline access
- Auto-update functionality
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An application designed to provide help and guidance information for visitors to Critical Care at the Nottingham University Hospitals NHS Trust (NUH) Queens Medical Centre and City Hospital campuses. Features: Simple colour coded information pages with collapsable sections Useful information on procedures and technical terms Details of visiting times and available facilities Offline access Auto update Important ! Although the size of the app is quite small, once installed the app will need to download additional data files which can be quite large. For this reason please ensure that you are using WiFi or a cellular connection without any download limits when using the app for the first time.
On
Manage on-call shifts and track medical jobs efficiently. Prioritize workload, generate handover summaries instantly, and ensure data privacy with local storage. Designed by a doctor for fast, secure use during busy shifts.
- Track urgent and routine jobs
- Prioritize workload
- Generate structured handover summaries
- Secure local data storage
- Face ID protection
- Fast and intuitive interface
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On-call is the job management app built specifically for doctors working on-call shifts. It gives you a clean, fast way to track jobs, prioritise your workload and hand over safely. Track jobs the way you actually work. Add urgent and routine jobs as the bleeps come in. Handover in seconds. Generate a clean, structured summary in one tap. Send via messages, qr code or airdrop. Your data stays on your device, On-call stores everything locally. No accounts, no cloud sync, no analytics, no tracking. Data never leaves your phone. Face ID protection keeps the app locked between uses. Designed by a doctor, for doctors. Every design decision was made with a busy on-call shift in mind. Fast to open, fast to add a job, fast to clear one when it's done. On-call is completely free.
Screenshots
Verdict
The clearest difference is in-app purchases: Critical Care Visitors at none against On's 1. Critical Care Visitors also leads on iOS requirement (13.0 vs 17.6). On's advantage is update cadence (weekly vs every 3 weeks). On price, review sentiment, ads and monetization model there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. On sells 1 one-off in-app purchase. Critical Care Visitors asks for nothing beyond the download.
Critical Care Visitors ships an update every 3 weeks, On weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Critical Care Visitors | On |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 3 weeks | Weekly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 โ better | 17.6 |
| Further details โ not scored | ||
| Size | 21 MB | 8 MB |
| Age rating | 12+ | 4+ |
| Developer | Nottingham University Hospitals | Mohsin Asad Sadiq |
Customer experience
Critical Care Visitors
On
In-app purchases
Critical Care Visitors
No in-app purchases
On
- Buy me a coffee$2.99
Questions
Is Critical Care Visitors free?
Is On free?
Do Critical Care Visitors or On have ads?
Which is updated more often, Critical Care Visitors or On?
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